Add Rails World 2024 Lightning Talk CFP (#745)

Author: marcoroth

_data/conferences.yml

@@ -2720,9 +2720,15 @@
   end_date: 2024-09-27
   url: https://rubyonrails.org/world/2024
   twitter: rails
-  cfp_open_date: 2024-02-05
-  cfp_close_date: 2024-03-21
-  cfp_link: https://sessionize.com/rails-world/
+  # Original CFP
+  # cfp_open_date: 2024-02-05
+  # cfp_close_date: 2024-03-21
+  # cfp_link: https://sessionize.com/rails-world/
+
+  # Lightning Talk CFP
+  cfp_open_date: 2024-08-30
+  cfp_close_date: 2024-09-10
+  cfp_link: https://docs.google.com/forms/d/e/1FAIpQLSdTKiwbhAo4leeOl-HPIG2gFVzvmWjEtBFV6mC4ueY2Gso44g/viewform
   announced_on: 2023-11-30
 
 - name: Matsue RubyKaigi 11